Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery

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Casio F91W Series | Digital Watch | Water Resistant | LED Light | 1/100 SEC Stopwatch | Regular Time Keeping (HR, Min, SEC, PM, Date, Day) | Daily Alarm | Lightweight | 7 Year Battery
Price: $22.95
(as of Oct 07, 2025 11:05:44 UTC – Details)

From the manufacturer

Casio WatchesCasio Watches

Casio Values

“Necessity is not the mother of invention, invention is the mother of necessity.” These are the words of one of Casio’s founders. The people who created Casio were determined to ‘invent necessity’- to create products that met latent needs with groundbreaking capabilities no one had ever seen before. Ever since, Casio has been doing just that, bringing new discovery and delight to people around the world. This is Casio’s way of building an even more prosperous, richly rewarding world.

Key Features

50 Meters Water Resistant50 Meters Water Resistant

30 Meter (100 Feet) Water Resistant

Suitable for everyday use. Will withstand accidental splashes but not suitable for swimming.

AlarmAlarm

Daily Alarm

StopwatchStopwatch

1/100 Second Stopwatch

Casio LogoCasio Logo

Casio Accuracy and Reliability

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 4.2 x 3 x 2.1 inches; 3.2 ounces
Item model number ‏ : ‎ F91WM-9A
Department ‏ : ‎ Unisex
Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
Date First Available ‏ : ‎ February 10, 2017
Manufacturer ‏ : ‎ Casio
ASIN ‏ : ‎ B01MZF6LL2
Best Sellers Rank: #676 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #1 in Men’s Wrist Watches
Customer Reviews: 4.5 4.5 out of 5 stars 55,452 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Customers say

Customers find this watch to be a classic timepiece that’s simple to use and easy to read and set, with a timeless look and ultra-light design. They appreciate its functionality and value for money, with one customer noting it’s dirt cheap. The size receives mixed feedback – while some find it good for small wrists, others consider it child-sized. Durability is also mixed, with some saying it lasts years while others report the band breaking within days of use.

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